40 lines
1.4 KiB
Java
40 lines
1.4 KiB
Java
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/*
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* The Broad Institute
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* SOFTWARE COPYRIGHT NOTICE AGREEMENT
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* This software and its documentation are copyright 2009 by the
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* Broad Institute/Massachusetts Institute of Technology. All rights are reserved.
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*
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* This software is supplied without any warranty or guaranteed support whatsoever. Neither
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* the Broad Institute nor MIT can be responsible for its use, misuse, or functionality.
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*/
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package edu.mit.broad.picard.cmdline;
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import java.io.*;
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import java.util.regex.Pattern;
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public class CommandLineUtils {
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/** Regex for splitting on spaces. */
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public static final Pattern SPACE_SPLITTER = Pattern.compile(" ");
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// Regexes to split things apart on white space
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public static final Pattern TAB_SPLITTER = Pattern.compile("\\t");
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/** Checks that a file exists and is readable, and then returns a buffered reader for it. */
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public static BufferedReader getReader(File file) throws IOException {
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return new BufferedReader(new InputStreamReader(getInputStream(file)));
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}
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/** Checks that a file exists and is readable, and then returns a input stream for it. */
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public static InputStream getInputStream(File file) throws IOException {
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if (!file.exists()) {
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throw new RuntimeException("Specified file does not exist: " + file);
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}
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if (!file.canRead()) {
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throw new RuntimeException("Specified file is not readable: " + file);
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}
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return new FileInputStream(file);
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}
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}
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